yii2/tests/framework/i18n/FormatterNumberTest.php

<?php

namespace yiiunit\framework\i18n;

use NumberFormatter;
use yii\i18n\Formatter;
use Yii;
use yiiunit\TestCase;

/**
 * @group i18n
 */
class FormatterNumberTest extends TestCase
{
    /**
     * @var Formatter
     */
    protected $formatter;

    protected function setUp()
    {
        parent::setUp();

        IntlTestHelper::setIntlStatus($this);

        $this->mockApplication([
            'timeZone' => 'UTC',
            'language' => 'ru-RU',
        ]);
        $this->formatter = new Formatter(['locale' => 'en-US']);
    }

    protected function tearDown()
    {
        parent::tearDown();
        IntlTestHelper::resetIntlStatus();
        $this->formatter = null;
    }

    /**
     * Provides some configuration that should not affect Integer formatter
     */
    public function differentConfigProvider()
    {
        // make this test not break when intl is not installed
        if (!extension_loaded('intl')) {
            return [];
        }

        return [
            [[
                'numberFormatterOptions' => [
                    NumberFormatter::MIN_FRACTION_DIGITS => 2,
                ],
            ]],
            [[
                'numberFormatterOptions' => [
                    NumberFormatter::MAX_FRACTION_DIGITS => 2,
                ],
            ]],
            [[
                'numberFormatterOptions' => [
                    NumberFormatter::FRACTION_DIGITS => 2,
                ],
            ]],
            [[
                'numberFormatterOptions' => [
                    NumberFormatter::MIN_FRACTION_DIGITS => 2,
                    NumberFormatter::MAX_FRACTION_DIGITS => 4,
                ],
            ]],
        ];
    }


    /**
     * @dataProvider differentConfigProvider
     */
    public function testIntlAsInteger($config)
    {
        // configure formatter with different configs that should not affect integer format
        Yii::configure($this->formatter, $config);
        $this->testAsInteger();
    }

    public function testAsInteger()
    {
        $this->assertSame("123", $this->formatter->asInteger(123));
        $this->assertSame("123", $this->formatter->asInteger(123.23));
        $this->assertSame("123", $this->formatter->asInteger(123.53));
        $this->assertSame("0", $this->formatter->asInteger(0));
        $this->assertSame("-123", $this->formatter->asInteger(-123.23));
        $this->assertSame("-123", $this->formatter->asInteger(-123.53));

        $this->assertSame("123,456", $this->formatter->asInteger(123456));
        $this->assertSame("123,456", $this->formatter->asInteger(123456.789));

        // empty input
        $this->assertSame("0", $this->formatter->asInteger(false));
        $this->assertSame("0", $this->formatter->asInteger(""));

        // null display
        $this->assertSame($this->formatter->nullDisplay, $this->formatter->asInteger(null));
    }

    /**
     * @expectedException \yii\base\InvalidParamException
     */
    public function testAsIntegerException()
    {
        $this->formatter->asInteger('a');
    }

    /**
     * @expectedException \yii\base\InvalidParamException
     */
    public function testAsIntegerException2()
    {
        $this->formatter->asInteger('-123abc');
    }

    public function testIntlAsDecimal()
    {
        $value = 123.12;
        $this->assertSame("123.12", $this->formatter->asDecimal($value, 2));
        $this->assertSame("123.1", $this->formatter->asDecimal($value, 1));
        $this->assertSame("123", $this->formatter->asDecimal($value, 0));

        $value = 123;
        $this->assertSame("123", $this->formatter->asDecimal($value));
        $this->assertSame("123.00", $this->formatter->asDecimal($value, 2));
        $this->formatter->decimalSeparator = ',';
        $this->formatter->thousandSeparator = '.';
        $value = 123.12;
        $this->assertSame("123,12", $this->formatter->asDecimal($value));
        $this->assertSame("123,1", $this->formatter->asDecimal($value, 1));
        $this->assertSame("123", $this->formatter->asDecimal($value, 0));
        $value = 123123.123;
        $this->assertSame("123.123", $this->formatter->asDecimal($value, 0));
        $this->assertSame("123.123,12", $this->formatter->asDecimal($value, 2));
        $this->formatter->thousandSeparator = '';
        $this->assertSame("123123,1", $this->formatter->asDecimal($value, 1));
        $this->formatter->thousandSeparator = ' ';
        $this->assertSame("12 31 23,1", $this->formatter->asDecimal($value, 1, [\NumberFormatter::GROUPING_SIZE => 2]));

        $value = 123123.123;
        $this->formatter->decimalSeparator = ',';
        $this->formatter->thousandSeparator = ' ';
        $this->assertSame("123 123", $this->formatter->asDecimal($value, 0));
        $this->assertSame("123 123,12", $this->formatter->asDecimal($value, 2));

        $this->formatter->decimalSeparator = null;
        $this->formatter->thousandSeparator = null;
        $value = '-123456.123';
        $this->assertSame("-123,456.123", $this->formatter->asDecimal($value));

        // empty input
        $this->assertSame("0", $this->formatter->asDecimal(false));
        $this->assertSame("0", $this->formatter->asDecimal(""));

        // null display
        $this->assertSame($this->formatter->nullDisplay, $this->formatter->asDecimal(null));
    }

    public function testAsDecimal()
    {
        $value = 123.12;
        $this->assertSame("123.12", $this->formatter->asDecimal($value));
        $this->assertSame("123.1", $this->formatter->asDecimal($value, 1));
        $this->assertSame("123", $this->formatter->asDecimal($value, 0));
        $value = 123;
        $this->assertSame("123.00", $this->formatter->asDecimal($value));
        $this->formatter->decimalSeparator = ',';
        $this->formatter->thousandSeparator = '.';
        $value = 123.12;
        $this->assertSame("123,12", $this->formatter->asDecimal($value));
        $this->assertSame("123,1", $this->formatter->asDecimal($value, 1));
        $this->assertSame("123", $this->formatter->asDecimal($value, 0));
        $value = 123123.123;
        $this->assertSame("123.123,12", $this->formatter->asDecimal($value));

        $value = 123123.123;
        $this->assertSame("123.123,12", $this->formatter->asDecimal($value));
        $this->assertSame("123.123,12", $this->formatter->asDecimal($value, 2));
        $this->formatter->decimalSeparator = ',';
        $this->formatter->thousandSeparator = ' ';
        $this->assertSame("123 123,12", $this->formatter->asDecimal($value));
        $this->assertSame("123 123,12", $this->formatter->asDecimal($value, 2));
        $this->formatter->thousandSeparator = '';
        $this->assertSame("123123,12", $this->formatter->asDecimal($value));
        $this->assertSame("123123,12", $this->formatter->asDecimal($value, 2));

        $this->formatter->decimalSeparator = null;
        $this->formatter->thousandSeparator = null;
        $value = '-123456.123';
        $this->assertSame("-123,456.123", $this->formatter->asDecimal($value, 3));

        // empty input
        $this->assertSame("0.00", $this->formatter->asDecimal(false));
        $this->assertSame("0.00", $this->formatter->asDecimal(""));

        // null display
        $this->assertSame($this->formatter->nullDisplay, $this->formatter->asDecimal(null));
    }

    public function testIntlAsPercent()
    {
        $this->testAsPercent();
    }

    public function testAsPercent()
    {
        $this->assertSame('12,300%', $this->formatter->asPercent(123));
        $this->assertSame('12,300%', $this->formatter->asPercent('123'));
        $this->assertSame("12%", $this->formatter->asPercent(0.1234));
        $this->assertSame("12%", $this->formatter->asPercent('0.1234'));
        $this->assertSame("-1%", $this->formatter->asPercent(-0.009343));
        $this->assertSame("-1%", $this->formatter->asPercent('-0.009343'));

        // empty input
        $this->assertSame("0%", $this->formatter->asPercent(false));
        $this->assertSame("0%", $this->formatter->asPercent(""));

        // null display
        $this->assertSame($this->formatter->nullDisplay, $this->formatter->asPercent(null));
    }

    public function testIntlAsCurrency()
    {
        $this->formatter->locale = 'en-US';
        $this->assertSame('$123.00', $this->formatter->asCurrency('123'));
        $this->assertSame('$123,456.00', $this->formatter->asCurrency('123456'));
        $this->assertSame('$0.00', $this->formatter->asCurrency('0'));

        $this->formatter->locale = 'en-US';
        $this->formatter->currencyCode = 'USD';
        $this->assertSame('$123.00', $this->formatter->asCurrency('123'));
        $this->assertSame('$123,456.00', $this->formatter->asCurrency('123456'));
        $this->assertSame('$0.00', $this->formatter->asCurrency('0'));
        // Starting from ICU 52.1, negative currency value will be formatted as -$123,456.12
        // see: http://source.icu-project.org/repos/icu/icu/tags/release-52-1/source/data/locales/en.txt
//		$value = '-123456.123';
//		$this->assertSame("($123,456.12)", $this->formatter->asCurrency($value));

        $this->formatter->locale = 'de-DE';
        $this->formatter->currencyCode = null;
        $this->assertSame('123,00 €', $this->formatter->asCurrency('123'));
        $this->formatter->currencyCode = 'USD';
        $this->assertSame('123,00 $', $this->formatter->asCurrency('123'));
        $this->formatter->currencyCode = 'EUR';
        $this->assertSame('123,00 €', $this->formatter->asCurrency('123'));

        $this->formatter->locale = 'de-DE';
        $this->formatter->currencyCode = null;
        $this->assertSame('123,00 €', $this->formatter->asCurrency('123', 'EUR'));
        $this->assertSame('123,00 $', $this->formatter->asCurrency('123', 'USD'));
        $this->formatter->currencyCode = 'USD';
        $this->assertSame('123,00 €', $this->formatter->asCurrency('123', 'EUR'));
        $this->assertSame('123,00 $', $this->formatter->asCurrency('123', 'USD'));
        $this->formatter->currencyCode = 'EUR';
        $this->assertSame('123,00 €', $this->formatter->asCurrency('123', 'EUR'));
        $this->assertSame('123,00 $', $this->formatter->asCurrency('123', 'USD'));

        // default russian currency symbol
        $this->formatter->locale = 'ru-RU';
        $this->formatter->currencyCode = null;
        $this->assertSame('123,00 руб.', $this->formatter->asCurrency('123'));
        $this->formatter->currencyCode = 'RUB';
        $this->assertSame('123,00 руб.', $this->formatter->asCurrency('123'));

        // custom currency symbol
        $this->formatter->currencyCode = null;
        $this->formatter->numberFormatterSymbols = [
            NumberFormatter::CURRENCY_SYMBOL => '₽',
        ];
        $this->assertSame('123,00 ₽', $this->formatter->asCurrency('123'));
        $this->formatter->numberFormatterSymbols = [
            NumberFormatter::CURRENCY_SYMBOL => '&#8381;',
        ];
        $this->assertSame('123,00 &#8381;', $this->formatter->asCurrency('123'));
        // setting the currency code overrides the symbol
        $this->formatter->currencyCode = 'RUB';
        $this->assertSame('123,00 руб.', $this->formatter->asCurrency('123'));
        $this->formatter->numberFormatterSymbols = [NumberFormatter::CURRENCY_SYMBOL => '₽'];
        $this->assertSame('123,00 $', $this->formatter->asCurrency('123', 'USD'));
        $this->formatter->numberFormatterSymbols = [NumberFormatter::CURRENCY_SYMBOL => '₽'];
        $this->assertSame('123,00 €', $this->formatter->asCurrency('123', 'EUR'));

        // empty input
        $this->formatter->locale = 'de-DE';
        $this->formatter->currencyCode = null;
        $this->formatter->numberFormatterSymbols = [];
        $this->assertSame("0,00 €", $this->formatter->asCurrency(false));
        $this->assertSame("0,00 €", $this->formatter->asCurrency(""));

        // null display
        $this->assertSame($this->formatter->nullDisplay, $this->formatter->asCurrency(null));
    }

    /**
     * https://github.com/yiisoft/yii2/pull/5261
     */
    public function testIntlIssue5261()
    {
        $this->formatter->locale = 'en-US';
        $this->formatter->numberFormatterOptions = [
            \NumberFormatter::FRACTION_DIGITS => 0
        ];
        $this->formatter->numberFormatterTextOptions = [
            \NumberFormatter::CURRENCY_CODE => 'EUR'
        ];
        $this->assertSame('€100', $this->formatter->asCurrency(100, 'EUR'));
    }

    public function testAsCurrency()
    {
        $this->formatter->currencyCode = 'USD';
        $this->assertSame('USD 123.00', $this->formatter->asCurrency('123'));
        $this->assertSame('USD 0.00', $this->formatter->asCurrency('0'));
        $this->assertSame('USD -123.45', $this->formatter->asCurrency('-123.45'));
        $this->assertSame('USD -123.45', $this->formatter->asCurrency(-123.45));

        $this->formatter->currencyCode = 'EUR';
        $this->assertSame('EUR 123.00', $this->formatter->asCurrency('123'));
        $this->assertSame('EUR 0.00', $this->formatter->asCurrency('0'));
        $this->assertSame('EUR -123.45', $this->formatter->asCurrency('-123.45'));
        $this->assertSame('EUR -123.45', $this->formatter->asCurrency(-123.45));

        // empty input
        $this->formatter->currencyCode = 'USD';
        $this->formatter->numberFormatterSymbols = [];
        $this->assertSame("USD 0.00", $this->formatter->asCurrency(false));
        $this->assertSame("USD 0.00", $this->formatter->asCurrency(""));

        // null display
        $this->assertSame($this->formatter->nullDisplay, $this->formatter->asCurrency(null));
    }

    public function testIntlAsScientific()
    {
        $value = '123';
        $this->assertSame('1.23E2', $this->formatter->asScientific($value));
        $value = '123456';
        $this->assertSame("1.23456E5", $this->formatter->asScientific($value));
        $value = '-123456.123';
        $this->assertSame("-1.23456123E5", $this->formatter->asScientific($value));

        // empty input
        $this->assertSame("0E0", $this->formatter->asScientific(false));
        $this->assertSame("0E0", $this->formatter->asScientific(""));

        // null display
        $this->assertSame($this->formatter->nullDisplay, $this->formatter->asScientific(null));
    }

    public function testAsScientific()
    {
        $value = '123';
        $this->assertSame('1.23E+2', $this->formatter->asScientific($value, 2));
        $value = '123456';
        $this->assertSame("1.234560E+5", $this->formatter->asScientific($value));
        $value = '-123456.123';
        $this->assertSame("-1.234561E+5", $this->formatter->asScientific($value));

        // empty input
        $this->assertSame("0.000000E+0", $this->formatter->asScientific(false));
        $this->assertSame("0.000000E+0", $this->formatter->asScientific(""));

        // null display
        $this->assertSame($this->formatter->nullDisplay, $this->formatter->asScientific(null));
    }

    public function testIntlAsSpellout()
    {
        $this->assertSame('one hundred twenty-three', $this->formatter->asSpellout(123));

        $this->formatter->locale = 'de_DE';
        $this->assertSame('ein­hundert­drei­und­zwanzig', $this->formatter->asSpellout(123));

        // null display
        $this->assertSame($this->formatter->nullDisplay, $this->formatter->asSpellout(null));
    }

    public function testIntlAsOrdinal()
    {
        $this->assertSame('0th', $this->formatter->asOrdinal(0));
        $this->assertSame('1st', $this->formatter->asOrdinal(1));
        $this->assertSame('2nd', $this->formatter->asOrdinal(2));
        $this->assertSame('3rd', $this->formatter->asOrdinal(3));
        $this->assertSame('5th', $this->formatter->asOrdinal(5));

        $this->formatter->locale = 'de_DE';
        $this->assertSame('0.', $this->formatter->asOrdinal(0));
        $this->assertSame('1.', $this->formatter->asOrdinal(1));
        $this->assertSame('2.', $this->formatter->asOrdinal(2));
        $this->assertSame('3.', $this->formatter->asOrdinal(3));
        $this->assertSame('5.', $this->formatter->asOrdinal(5));

        // null display
        $this->assertSame($this->formatter->nullDisplay, $this->formatter->asOrdinal(null));
    }

    public function testIntlAsShortSize()
    {
        $this->formatter->numberFormatterOptions = [
            \NumberFormatter::MIN_FRACTION_DIGITS => 0,
            \NumberFormatter::MAX_FRACTION_DIGITS => 2,
        ];

        // tests for base 1000
        $this->formatter->sizeFormatBase = 1000;
        $this->assertSame("999 B", $this->formatter->asShortSize(999));
        $this->assertSame("999 B", $this->formatter->asShortSize('999'));
        $this->assertSame("1.05 MB", $this->formatter->asShortSize(1024 * 1024));
        $this->assertSame("1 KB", $this->formatter->asShortSize(1000));
        $this->assertSame("1.02 KB", $this->formatter->asShortSize(1023));
        $this->assertNotEquals("3 PB", $this->formatter->asShortSize(3 * 1000 * 1000 * 1000 * 1000 * 1000 * 1000)); // this is 3 EB not 3 PB
        // string values
        $this->assertSame("28.41 GB", $this->formatter->asShortSize(28406984038));
        $this->assertSame("28.41 GB", $this->formatter->asShortSize((string)28406984038));
        $this->assertSame("56.81 GB", $this->formatter->asShortSize(28406984038 + 28406984038));
        $this->assertSame("56.81 GB", $this->formatter->asShortSize((string)(28406984038 + 28406984038)));

        // tests for base 1024
        $this->formatter->sizeFormatBase = 1024;
        $this->assertSame("1 KiB", $this->formatter->asShortSize(1024));
        $this->assertSame("1 MiB", $this->formatter->asShortSize(1024 * 1024));
        // https://github.com/yiisoft/yii2/issues/4960
        $this->assertSame("1023 B", $this->formatter->asShortSize(1023));
        $this->assertSame("5 GiB", $this->formatter->asShortSize(5 * 1024 * 1024 * 1024));
        $this->assertNotEquals("5 PiB", $this->formatter->asShortSize(5 * 1024 * 1024 * 1024 * 1024 * 1024 * 1024)); // this is 5 EiB not 5 PiB
        //$this->assertSame("1 YiB", $this->formatter->asShortSize(pow(2, 80)));
        $this->assertSame("2 GiB", $this->formatter->asShortSize(2147483647)); // round 1.999 up to 2
        $this->formatter->decimalSeparator = ',';
        $this->formatter->numberFormatterOptions = [];
        $this->assertSame("1,001 KiB", $this->formatter->asShortSize(1025, 3));

        // empty values
        $this->assertSame('0 B', $this->formatter->asShortSize(0));

        // null display
        $this->assertSame($this->formatter->nullDisplay, $this->formatter->asShortSize(null));
    }

    public function testAsShortSize()
    {
        // tests for base 1000
        $this->formatter->sizeFormatBase = 1000;
        $this->assertSame("999 B", $this->formatter->asShortSize(999));
        $this->assertSame("999 B", $this->formatter->asShortSize('999'));
        $this->assertSame("1.05 MB", $this->formatter->asShortSize(1024 * 1024));
        $this->assertSame("1.0486 MB", $this->formatter->asShortSize(1024 * 1024, 4));
        $this->assertSame("1.00 KB", $this->formatter->asShortSize(1000));
        $this->assertSame("1.02 KB", $this->formatter->asShortSize(1023));
        $this->assertNotEquals("3 PB", $this->formatter->asShortSize(3 * 1000 * 1000 * 1000 * 1000 * 1000 * 1000)); // this is 3 EB not 3 PB
        // string values
        $this->assertSame("28.41 GB", $this->formatter->asShortSize(28406984038));
        $this->assertSame("28.41 GB", $this->formatter->asShortSize((string)28406984038));
        $this->assertSame("56.81 GB", $this->formatter->asShortSize(28406984038 + 28406984038));
        $this->assertSame("56.81 GB", $this->formatter->asShortSize((string)(28406984038 + 28406984038)));

        // tests for base 1024
        $this->formatter->sizeFormatBase = 1024;
        $this->assertSame("1.00 KiB", $this->formatter->asShortSize(1024));
        $this->assertSame("1.00 MiB", $this->formatter->asShortSize(1024 * 1024));
        // https://github.com/yiisoft/yii2/issues/4960
        $this->assertSame("1023 B", $this->formatter->asShortSize(1023));
        $this->assertSame("5.00 GiB", $this->formatter->asShortSize(5 * 1024 * 1024 * 1024));
        $this->assertNotEquals("5.00 PiB", $this->formatter->asShortSize(5 * 1024 * 1024 * 1024 * 1024 * 1024 * 1024)); // this is 5 EiB not 5 PiB
        //$this->assertSame("1 YiB", $this->formatter->asShortSize(pow(2, 80)));
        $this->assertSame("2.00 GiB", $this->formatter->asShortSize(2147483647)); // round 1.999 up to 2
        $this->formatter->decimalSeparator = ',';
        $this->assertSame("1,001 KiB", $this->formatter->asShortSize(1025, 3));

        // empty values
        $this->assertSame('0 B', $this->formatter->asShortSize(0));

        // null display
        $this->assertSame($this->formatter->nullDisplay, $this->formatter->asShortSize(null));
    }

    public function testIntlAsSize()
    {
        $this->formatter->numberFormatterOptions = [
            \NumberFormatter::MIN_FRACTION_DIGITS => 0,
            \NumberFormatter::MAX_FRACTION_DIGITS => 2,
        ];

        // tests for base 1000
        $this->formatter->sizeFormatBase = 1000;
        $this->assertSame("999 bytes", $this->formatter->asSize(999));
        $this->assertSame("999 bytes", $this->formatter->asSize('999'));
        $this->assertSame("1.05 megabytes", $this->formatter->asSize(1024 * 1024));
        $this->assertSame("1 kilobyte", $this->formatter->asSize(1000));
        $this->assertSame("1.02 kilobytes", $this->formatter->asSize(1023));
        $this->assertSame("3 gigabytes", $this->formatter->asSize(3 * 1000 * 1000 * 1000));
        $this->assertNotEquals("3 PB", $this->formatter->asSize(3 * 1000 * 1000 * 1000 * 1000 * 1000 * 1000)); // this is 3 EB not 3 PB
        // tests for base 1024
        $this->formatter->sizeFormatBase = 1024;
        $this->assertSame("1 kibibyte", $this->formatter->asSize(1024));
        $this->assertSame("1 mebibyte", $this->formatter->asSize(1024 * 1024));
        $this->assertSame("1023 bytes", $this->formatter->asSize(1023));
        $this->assertSame("5 gibibytes", $this->formatter->asSize(5 * 1024 * 1024 * 1024));
        $this->assertNotEquals("5 pibibytes", $this->formatter->asSize(5 * 1024 * 1024 * 1024 * 1024 * 1024 * 1024)); // this is 5 EiB not 5 PiB
        $this->assertSame("2 gibibytes", $this->formatter->asSize(2147483647)); // round 1.999 up to 2
        $this->formatter->decimalSeparator = ',';
        $this->formatter->numberFormatterOptions = [];
        $this->assertSame("1,001 kibibytes", $this->formatter->asSize(1025, 3));

        // null display
        $this->assertSame($this->formatter->nullDisplay, $this->formatter->asSize(null));
    }

    public function testIntlAsSizeNegative()
    {
        $this->formatter->numberFormatterOptions = [
            \NumberFormatter::MIN_FRACTION_DIGITS => 0,
            \NumberFormatter::MAX_FRACTION_DIGITS => 2,
        ];

        // tests for base 1000
        $this->formatter->sizeFormatBase = 1000;
        $this->assertSame("-999 bytes", $this->formatter->asSize(-999));
        $this->assertSame("-999 bytes", $this->formatter->asSize('-999'));
        $this->assertSame("-1.05 megabytes", $this->formatter->asSize(-1024 * 1024));
        $this->assertSame("-1 kilobyte", $this->formatter->asSize(-1000));
        $this->assertSame("-1.02 kilobytes", $this->formatter->asSize(-1023));
        $this->assertSame("-3 gigabytes", $this->formatter->asSize(-3 * 1000 * 1000 * 1000));
        $this->assertNotEquals("3 PB", $this->formatter->asSize(-3 * 1000 * 1000 * 1000 * 1000 * 1000 * 1000)); // this is 3 EB not 3 PB
        // tests for base 1024
        $this->formatter->sizeFormatBase = 1024;
        $this->assertSame("-1 kibibyte", $this->formatter->asSize(-1024));
        $this->assertSame("-1 mebibyte", $this->formatter->asSize(-1024 * 1024));
        $this->assertSame("-1023 bytes", $this->formatter->asSize(-1023));
        $this->assertSame("-5 gibibytes", $this->formatter->asSize(-5 * 1024 * 1024 * 1024));
        $this->assertNotEquals("-5 pibibytes", $this->formatter->asSize(-5 * 1024 * 1024 * 1024 * 1024 * 1024 * 1024)); // this is 5 EiB not 5 PiB
        $this->assertSame("-2 gibibytes", $this->formatter->asSize(-2147483647)); // round 1.999 up to 2
        $this->formatter->decimalSeparator = ',';
        $this->formatter->numberFormatterOptions = [];
        $this->assertSame("-1,001 kibibytes", $this->formatter->asSize(-1025, 3));
    }

    public function testAsSize()
    {
        // tests for base 1000
        $this->formatter->sizeFormatBase = 1000;
        $this->assertSame("999 bytes", $this->formatter->asSize(999));
        $this->assertSame("999 bytes", $this->formatter->asSize('999'));
        $this->assertSame("1.05 megabytes", $this->formatter->asSize(1024 * 1024));
        $this->assertSame("1.0486 megabytes", $this->formatter->asSize(1024 * 1024, 4));
        $this->assertSame("1.00 kilobyte", $this->formatter->asSize(1000));
        $this->assertSame("1.02 kilobytes", $this->formatter->asSize(1023));
        $this->assertSame("3.00 gigabytes", $this->formatter->asSize(3 * 1000 * 1000 * 1000));
        $this->assertNotEquals("3 PB", $this->formatter->asSize(3 * 1000 * 1000 * 1000 * 1000 * 1000 * 1000)); // this is 3 EB not 3 PB
        // tests for base 1024
        $this->formatter->sizeFormatBase = 1024;
        $this->assertSame("1.00 kibibyte", $this->formatter->asSize(1024));
        $this->assertSame("1.00 mebibyte", $this->formatter->asSize(1024 * 1024));
        $this->assertSame("1023 bytes", $this->formatter->asSize(1023));
        $this->assertSame("5.00 gibibytes", $this->formatter->asSize(5 * 1024 * 1024 * 1024));
        $this->assertNotEquals("5.00 pibibytes", $this->formatter->asSize(5 * 1024 * 1024 * 1024 * 1024 * 1024 * 1024)); // this is 5 EiB not 5 PiB
        $this->assertSame("2.00 gibibytes", $this->formatter->asSize(2147483647)); // round 1.999 up to 2
        $this->formatter->decimalSeparator = ',';
        $this->formatter->numberFormatterOptions = [];
        $this->assertSame("1,001 kibibytes", $this->formatter->asSize(1025, 3));

        // null display
        $this->assertSame($this->formatter->nullDisplay, $this->formatter->asSize(null));
    }

    public function testAsSizeNegative()
    {
        // tests for base 1000
        $this->formatter->sizeFormatBase = 1000;
        $this->assertSame("-999 bytes", $this->formatter->asSize(-999));
        $this->assertSame("-999 bytes", $this->formatter->asSize('-999'));
        $this->assertSame("-1.05 megabytes", $this->formatter->asSize(-1024 * 1024));
        $this->assertSame("-1.0486 megabytes", $this->formatter->asSize(-1024 * 1024, 4));
        $this->assertSame("-1.00 kilobyte", $this->formatter->asSize(-1000));
        $this->assertSame("-1.02 kilobytes", $this->formatter->asSize(-1023));
        $this->assertSame("-3.00 gigabytes", $this->formatter->asSize(-3 * 1000 * 1000 * 1000));
        $this->assertNotEquals("3 PB", $this->formatter->asSize(-3 * 1000 * 1000 * 1000 * 1000 * 1000 * 1000)); // this is 3 EB not 3 PB
        // tests for base 1024
        $this->formatter->sizeFormatBase = 1024;
        $this->assertSame("-1.00 kibibyte", $this->formatter->asSize(-1024));
        $this->assertSame("-1.00 mebibyte", $this->formatter->asSize(-1024 * 1024));
        $this->assertSame("-1023 bytes", $this->formatter->asSize(-1023));
        $this->assertSame("-5.00 gibibytes", $this->formatter->asSize(-5 * 1024 * 1024 * 1024));
        $this->assertNotEquals("-5.00 pibibytes", $this->formatter->asSize(-5 * 1024 * 1024 * 1024 * 1024 * 1024 * 1024)); // this is 5 EiB not 5 PiB
        $this->assertSame("-2.00 gibibytes", $this->formatter->asSize(-2147483647)); // round 1.999 up to 2
        $this->formatter->decimalSeparator = ',';
        $this->formatter->numberFormatterOptions = [];
        $this->assertSame("-1,001 kibibytes", $this->formatter->asSize(-1025, 3));
    }

    public function testIntlAsSizeConfiguration()
    {
        $this->assertSame("1023 bytes", $this->formatter->asSize(1023));
        $this->assertSame("1023 B", $this->formatter->asShortSize(1023));
        $this->formatter->thousandSeparator = '.';
        $this->assertSame("1023 bytes", $this->formatter->asSize(1023));
        $this->assertSame("1023 B", $this->formatter->asShortSize(1023));
    }

    /**
     * https://github.com/yiisoft/yii2/issues/4960
     */
    public function testAsSizeConfiguration()
    {
        $this->assertSame("1023 bytes", $this->formatter->asSize(1023));
        $this->assertSame("1023 B", $this->formatter->asShortSize(1023));
        $this->formatter->thousandSeparator = '.';
        $this->assertSame("1023 bytes", $this->formatter->asSize(1023));
        $this->assertSame("1023 B", $this->formatter->asShortSize(1023));
    }
}